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20125464411472 = 247712530868261
BaseRepresentation
bin1001001001101110100110…
…01010000011110101010000
32122020222100012212222111021
410210313103022003311100
510114213422342131342
6110445302151525224
74145005524643030
oct444672312036520
978228305788437
1020125464411472
11645a185a993a2
122310549389814
13b2ca91601174
144d81131d58c0
1524d79992b567
hex124dd3283d50

20125464411472 has 40 divisors (see below), whose sum is σ = 45191183686272. Its totient is φ = 8503717353600.

The previous prime is 20125464411457. The next prime is 20125464411491. The reversal of 20125464411472 is 27411446452102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265426179 + ... + 1265442082.

Almost surely, 220125464411472 is an apocalyptic number.

It is an amenable number.

20125464411472 is an abundant number, since it is smaller than the sum of its proper divisors (25065719274800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20125464411472 is a wasteful number, since it uses less digits than its factorization.

20125464411472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530868347 (or 2530868341 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 20125464411472 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-four million, four hundred eleven thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 71 112 142 284 497 568 994 1136 1988 3976 7952 2530868261 5061736522 10123473044 17716077827 20246946088 35432155654 40493892176 70864311308 141728622616 179691646531 283457245232 359383293062 718766586124 1257841525717 1437533172248 2515683051434 2875066344496 5031366102868 10062732205736 20125464411472